# Marathon's World vs Youdon

The clearest difference is monetization model: Marathon's World at free against Youdon's free with in-app purchases. Marathon's World also leads on update cadence (weekly vs every 3 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Marathon's World against 5.0 for Youdon. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Marathon's World ships an update weekly, Youdon every 3 weeks. The most recent releases landed on September 9, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Marathon's World | Youdon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/marathons-world/id541020865/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/youdon/id1627466433/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 129 MB | 171 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [iTravel Tech Co., Ltd.](https://appshunter.io/developer/397881721) | [Meco Technology Co.,LTD](https://appshunter.io/developer/1627466435) |

## What reviewers say

### Marathon's World

[App page](https://appshunter.io/ios/app/marathons-world/id541020865)

Connect with fellow runners, track your progress, and share your running experiences. This platform offers a personal space for journals, training logs, and real-time route mapping. Engage with a community of athletes by liking posts and leaving messages.

**Highlights:** Personal journals and progress tracking, Support for multiple training types, Real-time route mapping, Post immediate results and details, Upload and share photos, Community journal walls with likes and messages

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Youdon

[App page](https://appshunter.io/ios/app/youdon/id1627466433)

Access personalized exercise programs designed by your physical therapist. Receive real-time feedback on your performance with AI posture recognition and connect with medical professionals for remote assessments and consultations.

**Highlights:** Personalized exercise programs, AI posture recognition, 1,500+ demonstration movements, Home exercise tracking, Connection with medical teams, Remote assessments and consultations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Marathon's World free?

Marathon's World is free to download, with no in-app purchases.

### Is Youdon free?

Youdon is free to download, with no in-app purchases.

### Which has better reviews, Marathon's World or Youdon?

Marathon's World and Youdon are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Marathon's World or Youdon have ads?

Neither Marathon's World nor Youdon shows ads.

### Which is updated more often, Marathon's World or Youdon?

Marathon's World ships an update weekly, and Youdon every 3 weeks. Most recently, Marathon's World was updated on September 9, 2026 and Youdon on September 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*